If you'd like to see the NTSB synopsis:

http://www.ntsb.gov/investigations/summary/PAR1101.html

And if you're looking for the final report itself:

http://www.ntsb.gov/doclib/reports/2011/PAR1101.pdf

Larry
-- 
*Lawrence J. Medina
Danville, CA
RIM Professional since 1972*

On Tue, Sep 27, 2011 at 4:22 AM, Link, Gary M. <[log in to unmask]> wrote:

> NTSB Releases Report on Deadly San Bruno Pipeline Explosion, 09/26/2011,
> Associated Press/AP Online
>
>
>
> "The report, which essentially enumerates findings and conclusions
> presented at the August meeting, said events that led up to the accident
> began more than 50 years ago with the installation of substandard pipe
> with inferior welds. PG&E didn't discover the problem because it failed
> to conduct proper pressure tests or visual inspections of the pipeline.
> Key records relating to the pipeline's origin are missing. Other records
> incorrectly describe the section pipe that ruptured as being seamless
> rather than welded, which led the gas company to place a maximum gas
> pressure limit on the line that was too high for the pipe to withstand."
>
>
> http://enr.construction.com/yb/enr/article.aspx?story_id=163993912
>
>

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